diff --git a/quadratic-tui.sh b/quadratic-tui.sh
index 4feb2b3..c376b66 100755
--- a/quadratic-tui.sh
+++ b/quadratic-tui.sh
@@ -4,7 +4,7 @@ ARG_A=$(whiptail --inputbox "Please enter the value for \"a\":" 10 50 --title "Q
                                                                         
 exitstatus=$?
 if [  $exitstatus != 0 ]; then
-echo "User canceled input."
+echo "User cancelled input."
 exit
 fi
 
@@ -12,7 +12,7 @@ ARG_B=$(whiptail --inputbox "Please enter the value for \"b\":" 10 50 --title "Q
                                                                         
 exitstatus=$?
 if [  $exitstatus != 0 ]; then
-echo "User canceled input."
+echo "User cancelled input."
 exit
 fi
 
@@ -20,7 +20,7 @@ ARG_C=$(whiptail --inputbox "Please enter the value for \"c\":" 10 50 --title "Q
                                                                         
 exitstatus=$?
 if [  $exitstatus != 0 ]; then
-echo "User canceled input."
+echo "User cancelled input."
 exit
 fi